Patch 1: support non-split page when PP_FLAG_PAGE_FRAG is set. patch 2: avoid calling compound_head() for skb frag page Patch 3: keep track of pp page when __skb_frag_ref() is called. V2: add patch 2, adjust the commit log accroding to the discussion in V1, and fix a compiler error reported by kernel test robot. Yunsheng Lin (3): page_pool: support non-split page with PP_FLAG_PAGE_FRAG pool_pool: avoid calling compound_head() for skb frag page skbuff: keep track of pp page when __skb_frag_ref() is called include/linux/skbuff.h | 40 ++++++++++++++++++++++++++++++++++++---- include/net/page_pool.h | 34 +++++++++++++++++++++++++++++++++- net/core/page_pool.c | 30 +++++++++--------------------- 3 files changed, 78 insertions(+), 26 deletions(-) -- 2.33.0